Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Goyazite & Cassiterite

Views:
Watches:
SER621060

Goyazite & Cassiterite

Description Tabs

Description
Locality: 
Emmons Quarry, Uncle Tom Mountain, Greenwood, Oxford County, Maine, United States of America
Class: 
Crystal Group/Cluster
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.5 × 3.5 × 3.2 cm
Description

Several colourless goyazite crystals with a prismatic crystal of cassiterite ; collected 2016

Mineral Data
What's on the rock

Goyazite

Formula: 
SrAl3(PO4)2(OH)5·H2O
Strunz: 
8.BL.10
Crystal System: 
Hexagonal
Hardness: 
4.5 - 5.0
Type Locality: 
Diamantina, Jequitinhonha valley, Minas Gerais, Brazil

Cassiterite

Formula: 
SnO2
Strunz: 
4.DB.05
Crystal System: 
Tetragonal
Hardness: 
6.0 - 7.0